Home / 86,505.96-119,303.64-56,280.24

Finding the Fourth Proportional to 86,505.96, 119,303.64 and 56,280.24

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Solution

The fourth proportional to 86,505.96, 119,303.64 and 56,280.24 is: 77,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.96 : 119,303.64 = 56,280.24 : x
  2. Step 2: Convert to fraction form
    86,505.96/119,303.64 = 56,280.24/x
  3. Step 3: Cross multiply
    86,505.96x = 119,303.64 × 56,280.24
  4. Step 4: Simplify right side
    86,505.96x = 6,714,437,492.07
  5. Step 5: Solve for x
    x = 6,714,437,492.07/86,505.96
  6. Step 6: Final answer
    x = 77,618.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.